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CVE-2026-9617— PostgreSQL Anonymizer: malicious column name allows SQL injection via anon.k_anonymity() function

Quick assessment

Affected
DALIBO PostgreSQL Anonymizer
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

PostgreSQL Anonymizer是法国DALIBO开源的一个用于屏蔽或替换 PostgreSQL 数据库中的个人身份信息 (PII) 或商业敏感数据的扩展软件。 PostgreSQL Anonymizer存在安全漏洞，该漏洞源于允许用户通过创建表并在列标识符中放置恶意代码来获得超级用户权限，可能导致超级用户调用k-anonymity函数时执行恶意代码。

CVSS 6.8 · Medium EPSS 0.43% · P36

Possible ATT&CK Techniques 1 AI

T1068.001

Affected Version Matrix 1

VendorProduct Version RangeStatus
DALIBO PostgreSQL Anonymizer 1< 3.1.0 affected
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I. Basic Information for CVE-2026-9617

Vulnerability Information
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Vulnerability Title
PostgreSQL Anonymizer: malicious column name allows SQL injection via anon.k_anonymity() function
Source: CVE Program / CVE List V5
Vulnerability Description
PostgreSQL Anonymizer contains a vulnerability that allows a user to gain superuser privileges by creating a table and placing malicious code inside a column identifier. If a superuser calls the k-anonymity function, the malicious code is executed with superuser privileges. The risk is higher with PostgreSQL 14 or with instances upgraded from PostgreSQL 14 or a prior version. With PostgreSQL 15 and later, the creation permission on the public schema is revoked by default and this exploit can only be achieved by a user who was explicitly granted the CREATE TABLE privilege. The problem is resolved in PostgreSQL Anonymizer 3.1.0 and further versions
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
SQL命令中使用的特殊元素转义处理不恰当(SQL注入)
Source: CVE Program / CVE List V5
Vulnerability Title
PostgreSQL Anonymizer 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PostgreSQL Anonymizer是法国DALIBO开源的一个用于屏蔽或替换 PostgreSQL 数据库中的个人身份信息 (PII) 或商业敏感数据的扩展软件。 PostgreSQL Anonymizer存在安全漏洞，该漏洞源于允许用户通过创建表并在列标识符中放置恶意代码来获得超级用户权限，可能导致超级用户调用k-anonymity函数时执行恶意代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
DALIBO PostgreSQL Anonymizer 1 ~ 3.1.0 -

II. Public POCs for CVE-2026-9617

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III. Intelligence Information for CVE-2026-9617

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Patches & Fixes for CVE-2026-9617 (1)

IV. Related Vulnerabilities

Same product: PostgreSQL Anonymizer
Same vendor: DALIBO
Same weakness: CWE-89

V. Comments for CVE-2026-9617

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